identifier publicationType full_reference primaryTitle title pages pageStart pageEnd volume edition publisher authorList editorList created language uri doi localityName Ref1 Book A voyage towards the North Pole undertaken by His Majesty's command 185 J. Nourse Constantine John Phipps 1774 en http://www.biodiversitylibrary.org/ia/voyagetowardsnor00mulg http://dx.doi.org/10.5962/bhl.title.15240 London Ref2 this is the full reference